State championships
Delcastle: 18 state titles
State titles and finals for Delcastle, from DIAA. This is not a season record.
This covers state championship results only. It does not have season records, regular season games or playoff rounds before the final.
Source: Delaware Interscholastic Athletic Association (DIAA), State Champions History. Football scores and runners-up come from DIAA's football files; other sports list the champion only. DIAA State Champions History
Dover High game schedules and results are on Senators Sports.
State titles
| Year | Sport | Champion | Score | Runner-up | Notes | Source file |
|---|---|---|---|---|---|---|
| 2010 | Girls Indoor Track | Delcastle | ||||
| 2010 | Girls Track, Division I | Delcastle | ||||
| 2009 | Girls Basketball | Delcastle | ||||
| 1996 | Girls Indoor Track | Delcastle | Co-champions | |||
| 1995 | Girls Track, Division I | Delcastle | ||||
| 1991 | Girls Indoor Track | Delcastle | ||||
| 1991 | Girls Track, Division I | Delcastle | ||||
| 1990 | Boys Indoor Track | Delcastle | ||||
| 1990 | Boys Track, Division I | Delcastle | ||||
| 1990 | Girls Indoor Track | Delcastle | ||||
| 1989 | Boys Track, Division I | Delcastle | ||||
| 1989 | Girls Track, Division I | Delcastle | ||||
| 1988 | Boys Cross Country, Division I | Delcastle | ||||
| 1988 | Boys Track, Division I | Delcastle | ||||
| 1987 | Boys Indoor Track | Delcastle | ||||
| 1986 | Boys Indoor Track | Delcastle | ||||
| 1985 | Boys Track, Division I | Delcastle | ||||
| 1984 | Girls Basketball | Delcastle |
Finals lost
| Year | Sport | Champion | Score | Runner-up | Notes | Source file |
|---|---|---|---|---|---|---|
| 1983 | Football, Division I | William Penn | 24-7 | Delcastle |